Using interval notation, write the set.{x| -8 ? x ? 8}
A. (-8, 8]
B. [-8, 8)
C. (-8, 8)
D. [-8, 8]
Answer: D
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Solve the problem. Give the answer to the nearest thousandth if necessary.Two cars leave Springfield, Illinois at the same time. One travels north at 7 miles per hour and the other travels west at 24 miles per hour. How far apart are they after 2 hours? (Hint: Use d = rt to find the distance traveled by each car.)
24 mph
A. 50 miles B. 47 miles C. 60 miles D. 55 miles
Solve.How many different ways can a president, vice-president, and secretary be chosen from a club with 9 members?
A. 27 B. 6 C. 504 D. 84
Solve the equation.|3x + 8| = 9
A. {- 
, 
}
B. {
, - 
}
C. {
, - 
}
D. no solution
Find the derivative of the function.f(x) = (3x + 6)2
A. f'(x) = 18x + 36 B. f'(x) = 6x + 12 C. f'(x) = 9x + 36 D. f'(x) = 9x + 18